Which of the following would be the most effective evidence? a. the results of a scientific study b. the author’s thoughts and concerns c. a summary of the public’s opinions d. an ethically compelling argument

The correct answer will be- option-A

Explanation:

Evidence plays an important role in the investigation as they can support the predicted hypothesis. The scientific investigation is considered a suitable investigation approach as it is based on the systematic way of the scientific method which is considered a modern approach.

The results collected from the scientific experiments are the most reliable and suitable evidence as they are based on the systematic procedure followed.

Thus, option-A is the correct answer.

c. explains words’ origins and variations.

i   believe   the   answer   is   d